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Ford F-Series Rough Idle/Vibration Problems

136 messages,  Last post on Nov 06, 2009 at 7:23 AM

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What is this discussion about? Ford F-150, Engine, Truck

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#3 of 136 Re: 2004 F150 supercrew vibration [sgood] by mrintz Apr 20, 2006 (6:15 pm)
Replying to: sgood (Mar 24, 2006 9:05 pm) I also have a 2004 supercrew (5.4 3valve)with a rough idle(vibration),I took it into the dealer last week,both camshafts were replaced along with 24 lash ajusters and the camshaft phasers and reprogramed PCM with latest Cal. Still running smooth
#4 of 136 2004 F-150 4.6 rough idle by kulczak Apr 11, 2006 (5:28 pm)
Help!. 04 F-150 XLT 4x4 with the 4.6. w/rough idle. It had 5,700 miles on it at purchase, and now has 19,000. Soon after purchase, the rough idle was noticed. Noticable in park, worse in drive when waiting at a light. Gets better with A/C or defroster on. Multiple times to the dealer, one TSB done with no success. MAF cleaned, and new air filter. Might be my imagination, but seems to get worse when I have 1/4 tank or less of gas. Any ideas? Replies to this message: reinhardz (Oct 19, 2006 10:01 am)
#5 of 136 Re: 2004 F-150 4.6 rough idle [kulczak] by reinhardz Oct 19, 2006 (10:01 am)
Replying to: kulczak (Apr 11, 2006 5:28 pm) Hello, I joined this forum just recently as I was looking for some help for my own '96 V-8 F-250: it started to randomly go into high reps, which was especially nasty when stopping at a red light, but was also noticeable when driving slowly. I followed some advice I found under this topic here, i. e. I cleaned the connectors to the MAF and cleaned some vacuum connections on top of the engine, a week ago. It seemed to have soleved the problem, thanks to God!
#6 of 136 Re: 2004 F150 supercrew vibration [sgood] by elad Dec 09, 2006 (9:57 am)
Replying to: sgood (Mar 24, 2006 9:05 pm) I could have written word for word, the message you wrote. Have you learned any thing about your f150's,vibration condition? I sure would like to know if you have found the problem. Thanks Elad Replies to this message: wentlandt (Feb 10, 2007 11:04 am) gseterry (Aug 20, 2009 3:27 am)
#7 of 136 Idle Problem 95 f-150 302 by regal00ls Dec 22, 2006 (2:17 pm)
My truck started to idle funny about a year ago first it reved up real bad and now it has reverted to opposite, its idle is way low and sometimes stauling and bucking. When i am moving there are no problems just when i am stopped or in park. Does anyone have any idea as to what might be the problem? I have tried to figure it out myself and even have taken for the diagnostic tests and it has not helped me!
#8 of 136 Re: 2004 F150 supercrew vibration [elad] by wentlandt Feb 10, 2007 (11:04 am)
Replying to: elad (Dec 09, 2006 9:57 am) I'm in an 06 Supercrew with just under 10k miles on it. It's doing the exact same thing as the original post--vibration/body chatter at low rpms. The second I let my foot off the brake it seems to smooth out. So far, the dealer has replaced the engine mounts as well as the harmonic balancer--no luck with either. On a previous visit to the dealership, they pulled the drive shaft and regreased the yoke. Again, no success. At this point, I'm one visit away from litigation. Any additional info is appreciated.
#9 of 136 Rough idle/vibration Ford 150 supercrew 2006!!!! by popochito40 Feb 23, 2007 (6:19 pm)
Brief history:I discover this 11 months after bought new.Went to the dealer several times,they didn't has a solution only to try to reduce Idle vibration.Contact Ford Hotline and denied my claim they said is "normal characteristic of this motor";last week I went to arbitration with BBB Autoline and arbitrator said is a defect of the car,is not a normal characteristic,but she denied too my claim.She said instead the problem exist,is not sufficient to said that truck is unsafe,lost value bla bla bla...I will continue with state arbitrator.Rightn now I have a truck,paid $31000,less than 17000 miles,under warranty,with a "defect",without fixed and waiting.Is incredible Ford!!!!!!
#10 of 136 Rough idle/vibration Ford 150 supercrew 2006!!!! by popochito40 Feb 23, 2007 (6:30 pm)
Manufacturer only said is "normal Characteristic",they know is a problem,is a defect of this truck but trying to explain consumers is not affect normal operation of the truck.Is a "Big defect" but infortunately is not easy try to fight with Goliath.Is incredible that I have a truck with this defect and I can't due nothing at this time.i think if I lost again my only solution is go to other dealer and try to trade and don't mention nothing. Replies to this message: svt4me (Feb 25, 2007 1:01 pm) capt_jack11 (Nov 17, 2008 7:48 am) kcram (Nov 17, 2008 3:18 pm)
#11 of 136 Re: Rough idle/vibration Ford 150 supercrew 2006!!!! [popochito40] by svt4me Feb 25, 2007 (1:01 pm)
Replying to: popochito40 (Feb 23, 2007 6:30 pm) I joined this just to comment. My problem sounds the same as most so far. My truck has a slightly rough idle. The real problem occurs at about 1500rpm up to 1900rpm. This is when the motor vibrates significantly and then levels out at about 2Krpm and up. This rpm range tends to be my cruising range, therefore it translates the vibration to the steering wheel while driving. Very annoying. I've been to 4 dealerships, called the 800 Ford # and filed my complaint and even got the Ford rep involved at the last dealership. It's "acceptable" is what they are telling me. What the %*#$. I'm sssoooo aggrevated. How do we get this thing recalled and what's the fix? Crankshaft, harmonic balancer, what?      Scott
#12 of 136 2006 F250 Super Duty 4x4 by ambers Apr 04, 2007 (1:13 pm)
I bought this truck brand new March '07. Back in December '06 with roughly 22,000 miles I was on the way home from out of town doing about 70 mph and hit a bump in the road. My front starting shaking so badly it was all I could do to hold onto the steering wheel. It has happened 3 more time leading up to March '07, I took it in and they replaced the steering stablizer. This past weekend with customers in West Texas it did twice more coming home. Dealership said they could not find a problem and blamed it on the tires which have sufficient tread. has anyone heard of this?

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